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M40SZ100WMQ6E
M40SZ100Y M40SZ100W 5 V or 3 V NVRAM supervisor for LPSRAM Features ■ Convert low power SRAMs into NVRAMs ■ 5 V or 3 V operating voltage ■ Precision power monitoring and power switching circuitry ■ Automatic write-protection when VCC is out-oftolerance ■ Choice of supply voltages and power-fail deselect voltages: – M40SZ100Y: VCC = 4.5 to 5.5 V; 4.20 V ≤ VPFD ≤ 4.50 V (contact local ST sales office for availability) – M40SZ100W: VCC = 2.7 to 3.6 V; 2.55 V ≤ VPFD ≤ 2.70 V 16 ■ Less than 10 ns chip enable access propagation delay (at 5 V) ■ Optional packaging includes a 28-lead SOIC and SNAPHAT® top (to be ordered separately) SNAPHAT (SH) battery 1.25 V reference (for PFI/PFO) ■ SO16 (MQ) Reset output (RST) for power on reset ■ 1 ■ 28-lead SOIC package provides direct connection for a SNAPHAT top which contains the battery (contact local ST sales office for availability) ■ 1 SOH28 (MH) Battery low pin (BL) ■ 28 RoHS compliant – Lead-free second level interconnect October 2010 Doc ID 7528 Rev 3 1/24 www.st.com 1
STM
STMicroelectronics NV
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